All Diseases that Start with J (Rare, Deadly, and Many More!)

Welcome to our comprehensive exploration of diseases beginning with the letter ‘J’. In this journey through medical terminology, we’ll cover a vast spectrum of conditions affecting various parts of the body and beings, including blood, bone, eyes, and mental health, as well as lung, skin, and diseases in dogs and cats.

From deadly to rare, autoimmune to bacterial infections, our list is extensive and informative.

Top 30 Diseases that Start with J

Below are the 30 most common diseases starting with the letter ‘J’.

1. Jaundice: Yellowing of skin and eyes
2. Jock Itch: Fungal skin infection
3. Juvenile Rheumatoid Arthritis: Chronic autoimmune disorder
4. Japanese Encephalitis: Mosquito-borne viral brain infection
5. Jansen’s Metaphyseal Chondrodysplasia: Rare bone growth disorder
6. Jellyfish Stings: Painful skin irritation
7. Job Syndrome: Immune system disorder
8. Joubert Syndrome: Rare genetic neurological disorder
9. Junctional Epidermolysis Bullosa: Genetic skin blistering condition
10. Juvenile Dermatomyositis: Inflammatory muscle disease
11. Juvenile Idiopathic Arthritis: Chronic arthritis in children
12. Juvenile Macular Degeneration: Vision loss in youth
13. Jackson-Weiss Syndrome: Rare genetic disorder
14. Jorizzo Syndrome: Uncommon skin condition
15. Jugular Vein Distension: Indicator of heart problems
16. Juxtaglomerular Cell Tumor: Rare kidney tumor
17. Japanese B Encephalitis: Viral infection
18. Jungle Fever: Informal term for tropical diseases
19. Jansen Type Metaphyseal Chondrodysplasia: Rare skeletal disorder
20. Juvenile Ankylosing Spondylitis: Chronic inflammatory arthritis
21. Juvenile Paget’s Disease: Rare bone disorder
22. Jumping Frenchmen of Maine: Rare neurological disorder
23. Joubert Syndrome with Ocular Defect: Neurological disorder with eye abnormalities
24. Juvenile Batten Disease: Rare, fatal neurological disorder
25. Juvenile Plantar Dermatosis: Skin condition in children
26. Johanson-Blizzard Syndrome: Rare genetic disorder
27. Jones Syndrome: Genetic dental condition
28. Juxta-Articular Adiposis Dolorosa: Painful fatty tumors near joints
29. Jeune Syndrome: Rare genetic skeletal disorder
30. Jacobsen Syndrome: Rare chromosomal disorder

Also, Check:

Medical Terms That Start With J

Fitness Words That Start With J

Rare Diseases That Start With J

1. Jansen’s Metaphyseal Chondrodysplasia
2. Joubert Syndrome
3. Jackson-Weiss Syndrome
4. Jorizzo Syndrome
5. Juxtaglomerular Cell Tumor
6. Jansen Type Metaphyseal Chondrodysplasia
7. Juvenile Paget’s Disease
8. Jumping Frenchmen of Maine
9. Joubert Syndrome with Ocular Defect
10. Juvenile Batten Disease
11. Johanson-Blizzard Syndrome
12. Jones Syndrome
13. Juxta-Articular Adiposis Dolorosa
14. Jeune Syndrome
15. Jacobsen Syndrome

Deadly Diseases That Start With J

1. Japanese Encephalitis
2. Juvenile Dermatomyositis
3. Juvenile Idiopathic Arthritis
4. Juvenile Macular Degeneration
5. Juvenile Ankylosing Spondylitis
6. Juvenile Batten Disease
7. Jungle Fever
8. Japanese B Encephalitis
9. Job Syndrome
10. Jansen’s Metaphyseal Chondrodysplasia
11. Jackson-Weiss Syndrome
12. Joubert Syndrome
13. Juvenile Paget’s Disease
14. Johanson-Blizzard Syndrome
15. Jacobsen Syndrome

Explore More Diseases Starting With:

A – B – C – D – E – F – G – H – I – J – K – L – M – N – O – P – Q – R – S – T – U – V – W – X – Y – Z

Stay tuned as we delve into other diseases beginning with ‘J’, divided by type, in the following sections.

Other Diseases Beginning With J (Divided By Type)

Autoimmune Diseases That Start With J

1. Juvenile Rheumatoid Arthritis
2. Juvenile Dermatomyositis
3. Juvenile Idiopathic Arthritis
4. Job Syndrome

Blood Disease That Start With J

1. JAK2 V617F Mutation Related Disorders

(Note: Specific blood diseases starting with ‘J’ are rare.)

Bone Diseases That Start With J

1. Jansen’s Metaphyseal Chondrodysplasia
2. Jackson-Weiss Syndrome
3. Juvenile Paget’s Disease
4. Jeune Syndrome

Eye Diseases That Start With J

1. Juvenile Macular Degeneration
2. Joubert Syndrome with Ocular Defect

Liver Disease That Start With J

1. Juvenile Hemochromatosis

Skin Diseases That Start With J

1. Jock Itch
2. Juvenile Plantar Dermatosis
3. Junctional Epidermolysis Bullosa
4. Jansen’s Metaphyseal Chondrodysplasia (skin manifestations)
5. Jackson-Weiss Syndrome (skin manifestations)

Bacterial Infections That Start With J

1. Japanese Spotted Fever
2. John Cunningham (JC) Virus Infection

Dog Diseases That Start With J

1. Juvenile Cellulitis (Puppy Strangles)
2. Juvenile Cataracts in Dogs
3. Juvenile Renal Disease in Dogs
4. Juvenile Pyoderma

Cat Diseases That Start With J

1. Juvenile Onset Feline Asthma
2. Juvenile Gingivostomatitis